chromium/third_party/webrtc/modules/audio_mixer/audio_mixer_impl.cc

/*
 *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "modules/audio_mixer/audio_mixer_impl.h"

#include <stdint.h>

#include <algorithm>
#include <iterator>
#include <type_traits>
#include <utility>

#include "modules/audio_mixer/audio_frame_manipulator.h"
#include "modules/audio_mixer/default_output_rate_calculator.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"
#include "rtc_base/trace_event.h"
#include "system_wrappers/include/metrics.h"

namespace webrtc {

struct AudioMixerImpl::SourceStatus { … };

namespace {

std::vector<std::unique_ptr<AudioMixerImpl::SourceStatus>>::const_iterator
FindSourceInList(
    AudioMixerImpl::Source const* audio_source,
    std::vector<std::unique_ptr<AudioMixerImpl::SourceStatus>> const*
        audio_source_list) { … }
}  // namespace

struct AudioMixerImpl::HelperContainers { … };

AudioMixerImpl::AudioMixerImpl(
    std::unique_ptr<OutputRateCalculator> output_rate_calculator,
    bool use_limiter)
    : … { … }

AudioMixerImpl::~AudioMixerImpl() { … }

rtc::scoped_refptr<AudioMixerImpl> AudioMixerImpl::Create() { … }

rtc::scoped_refptr<AudioMixerImpl> AudioMixerImpl::Create(
    std::unique_ptr<OutputRateCalculator> output_rate_calculator,
    bool use_limiter) { … }

void AudioMixerImpl::Mix(size_t number_of_channels,
                         AudioFrame* audio_frame_for_mixing) { … }

bool AudioMixerImpl::AddSource(Source* audio_source) { … }

void AudioMixerImpl::RemoveSource(Source* audio_source) { … }

rtc::ArrayView<AudioFrame* const> AudioMixerImpl::GetAudioFromSources(
    int output_frequency) { … }

void AudioMixerImpl::UpdateSourceCountStats() { … }
}  // namespace webrtc